78544759
Jan 10, 2005
Dec 5, 2006
Operating materials for vacuum pumps, namely, mineral oils, silicon oils and lubricants
Lubricants and FuelsConnecting parts, namely, metal centering rings, metal sealing rings, metal flanges, metal adapters for tubes and metal outer support rings
Metal GoodsVacuum pumps, gas transfer vacuum pumps, positive displacement pumps, reciprocating positive displacement pumps, diaphragm pumps, piston pumps, rotary pumps, sliding vane rotary pumps, rotary plunger pumps, roots pumps, kinetic vacuum pumps, drag pumps, turbine pumps, molecular drag pumps, turbo molecular pumps, fluid entrainment pumps, diffusion vacuum pumps, entrapment vacuum pumps, adsorption vacuum pumps, getter vacuum pumps, cryopumps, condensers, vacuum pump stands that include several vacuum pumps of the aforementioned type; valves for vacuum pumps, connecting parts, namely, connecting hoses for vacuum pumps, connecting tubes for vacuum pumps, gaskets, clamping rings, clamping collars; dust separators, oil separators; oil, dust, exhaust filters for vacuum pumps
MachineryVacuum pump accessories, namely, measuring instrumentation and apparatus, namely, vacuum gauges, bourdon vacuum gauges, capsule vacuum gauges, transmitters, linear pressure sensors, pressure switches, diaphragm pressure regulators, pressure control preventers, switching amplifiers, pressure control apparatus for vacuum pumps; leak detectors incorporating vacuum pumps for detecting leaks; radio transmitters, optical transmitters
Electrical and Scientific ApparatusRefrigeration machines, namely, refrigerators, freezers, industrial refrigerators, cryogenic refrigeration machines, namely, refrigerators, freezers, industrial refrigerators, vacuum chambers for experimentation, etching and coating under vacuum
Environmental Control ApparatusRepair and maintenance of machines and equipment used in vacuum technology, namely, vacuum pumps, vacuum chambers, vacuum gauges, vacuum measuring instruments, leak testing instruments
Building Construction and RepairCalibration of vacuum technology equipment, namely, vacuum pumps, vacuum gauges, leak testing instruments; and consulting regarding vacuum technology
Computer and Scientific